.banner {
  margin-top: 0px;
  height: auto;
  .banner_tit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 40px;
    font-style: oblique;
    font-weight: bold;
    font-family: "宋体";
    text-shadow: 2px 2px 2px #41b883;
  }
  a {
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    position: relative;
    .banner_zz {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      //background-color: rgba(75, 205, 120, 0.8);
    }
    img {
      height: 100%;
      width: 100%;
      border-radius: 12px;
      //filter: blur(2px);
    }
  }
}
